bkietz commented on code in PR #44493:
URL: https://github.com/apache/arrow/pull/44493#discussion_r1816951966
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cpp/src/arrow/status.h:
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@@ -363,17 +357,25 @@ class ARROW_EXPORT [[nodiscard]] Status : public
util::EqualityComparable<Status
void AddContextLine(const char* filename, int line, const char* expr);
#endif
+ // Construct a Status which is not destroyed and is cheap to copy.
+ static Status MakeStatic(StatusCode code, std::string msg,
+ std::shared_ptr<StatusDetail> detail);
private:
struct State {
StatusCode code;
std::string msg;
std::shared_ptr<StatusDetail> detail;
+ bool is_static = false;
};
// OK status has a `NULL` state_. Otherwise, `state_` points to
// a `State` structure containing the error code and message(s)
State* state_;
void DeleteState() {
+ // ARROW-2400: On certain compilers, splitting off the slow path improves
+ // performance significantly.
+ if (ARROW_PREDICT_TRUE(state_ == NULL)) return;
+ if (ARROW_PREDICT_FALSE(state_->is_static)) return;
Review Comment:
[aargh
visibility](https://github.com/apache/arrow/actions/runs/11521170513/job/32074214669?pr=44493#step:7:998)
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